Personalized Cognitive Science Brain Long Sleeve T-Shirt. Cognitive science brain Long Sleeve T-Shirt - White are a fun way to show off your smarts with style! This cerebrum with a happy frontal lobe makes a funny gift for students or doctors of cognitive or neuroscience! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL